Analysis
- max time kernel
149s - max time network
144s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
- submitted
30/11/2022, 10:34
General
- Target file.exe
- Size 243KB
- Sample221130-ml4pgscd74
- SHA256 46c9a6c81d90f2055e1af5bc853053c9154d353b88db9aeed33ceeaae20f106d
Malware Config
Extracted
-
amadey
-
3.50
-
31.41.244.17/hfk3vK9/index.php
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- Detect Amadey credential stealer module 6 IoCs
- Blocklisted process makes network request 1 IoCs
- Executes dropped EXE 4 IoCs
- Loads dropped DLL 6 IoCs
- Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
- Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of WriteProcessMemory 27 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN gntuud.exe /TR "C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe" /F3⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\56a1c3d463f381\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- outlook_win_path
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-
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C:\Windows\system32\taskeng.exetaskeng.exe {D8E49539-AEBD-4296-85DA-9983221325E7} S-1-5-21-3845472200-3839195424-595303356-1000:ZERMMMDR\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe2⤵
- Executes dropped EXE
-
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe2⤵
- Executes dropped EXE
-
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C:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exeC:\Users\Admin\AppData\Local\Temp\3f904562a0\gntuud.exe2⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
gntuud.exe
gntuud.exe
gntuud.exe
gntuud.exe
gntuud.exe
cred64.dll
gntuud.exe
gntuud.exe
cred64.dll
cred64.dll
cred64.dll
cred64.dll
memory/544-80-0x00000000001F0000-0x0000000000214000-memory.dmp
memory/988-71-0x000000000055D000-0x000000000057C000-memory.dmp
memory/988-72-0x0000000000400000-0x0000000000472000-memory.dmp
memory/1072-89-0x000000000061D000-0x000000000063C000-memory.dmp
memory/1072-90-0x0000000000400000-0x0000000000472000-memory.dmp
memory/1372-84-0x000000000030D000-0x000000000032C000-memory.dmp
memory/1372-85-0x0000000000400000-0x0000000000472000-memory.dmp
memory/1752-54-0x0000000075931000-0x0000000075933000-memory.dmp
memory/1752-61-0x0000000000400000-0x0000000000472000-memory.dmp
memory/1752-59-0x000000000064D000-0x000000000066C000-memory.dmp
memory/1752-60-0x0000000000220000-0x000000000025E000-memory.dmp
memory/1980-67-0x0000000000400000-0x0000000000472000-memory.dmp
memory/1980-66-0x0000000000400000-0x0000000000472000-memory.dmp
memory/1980-65-0x00000000005DD000-0x00000000005FC000-memory.dmp